in printf, use ferror macro rather than directly inspecting flags bit

[musl] / src / stdio / vfwscanf.c

diff --git a/src/stdio/vfwscanf.c b/src/stdio/vfwscanf.c
index 7be6634..82f4860 100644 (file)
--- a/src/stdio/vfwscanf.c
+++ b/src/stdio/vfwscanf.c
@@ -76,7 +76,7 @@ static int in_set(const wchar_t *set, int c)
 #if 1
 #undef getwc
 #define getwc(f) \
-       ((f)->rpos < (f)->rend && *(f)->rpos < 128 ? *(f)->rpos++ : (getwc)(f))
+       ((f)->rpos != (f)->rend && *(f)->rpos < 128 ? *(f)->rpos++ : (getwc)(f))
 
 #undef ungetwc
 #define ungetwc(c,f) \